Power Outages in Mellette County, SD
Cherry-Todd Electric Coop, Inc, LaCreek Electric Assn, Inc, Rosebud Electric Coop Inc and West Central Electric Coop Inc - (SD) publish only a system-wide total, not county figures. In 2025, the average customer here lost power for about 3.7 hours.
Mellette County, SD is served by 4 tracked utilities.
Cite this data
- URL
- https://massoutage.com/south-dakota/mellette-county
- As of
- Not available
- Publisher
- MassOutage
MassOutage, "Power Outages in Mellette County, SD". https://massoutage.com/south-dakota/mellette-county
Cherry-Todd Electric Coop, Inc, LaCreek Electric Assn, Inc, Rosebud Electric Coop Inc and West Central Electric Coop Inc - (SD) publish no county-level figures.
0.0%of this county's ~837 customers are served by utilities with a county-level live feed.
System-wide total only, no county split: Cherry-Todd Electric Coop, Inc, LaCreek Electric Assn, Inc, Rosebud Electric Coop Inc, West Central Electric Coop Inc - (SD).
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Cherry-Todd Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| LaCreek Electric Assn, Inc | Live · total only | not by county | - | - | - | - | - | - |
| Rosebud Electric Coop Inc | Live · total only | not by county | - | - | - | - | - | - |
| West Central Electric Coop Inc - (SD) | Live · total only | not by county | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Mellette Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.
By ZIP code (2)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 57579 | 15 | ≤11 | 13 | 0 |
| 57560 | ≤11 | 0 | ≤11 | ≤11 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Mellette County or any town and utility in it.
No active NWS alerts for Mellette County right now.
Mellette County has been under 9 National Weather Service alerts recently, most recently a Wind Advisory on October 16, 2026.
- Dense Fog Advisory ×6
- Wind Advisory ×3
Hardest-hit cities in Mellette County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Mellette County went about 3.7 hours without power. Peak simultaneous outage on record reached 533 customers.
The US EIA reports South Dakota utilities averaged 4.7 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 3.7 hrs.
Worst year here was 2024 (peak 533 customers out) · decade average 2.8 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2019 | 9 | 7 | 0.4 |
| 2020 | 8 | 17 | 0.1 |
| 2021 | 8 | 25 | 0.8 |
| 2022 | 13 | 22 | 1.0 |
| 2023 | 18 | 17 | 0.5 |
| 2024 | 46 | 533 | 13.1 |
| 2025 | 62 | 389 | 3.7 |
Cost of power in Mellette County
ENERGY & AI DEMAND →Estimated residential electricity price for Mellette County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.
- Rosebud Electric Coop Inc11.9¢4,911 cust
Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.
Relatively Low ice storms exposure · 2.8 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability very high: outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Mellette County: FAQ
- How often does Mellette County, SD lose power?
- Based on EAGLE-I records, Mellette County, SD logged 62 distinct outage events in 2025, averaging about 3.7 hours without power per customer over the year.
- What was the worst power outage in Mellette County, SD?
- The largest tracked outage peaked at 533 customers without power, beginning March 30, 2024 and lasting about 5h 30m.
- Is there a power outage in Mellette County, SD right now?
- No major outage is currently reported for Mellette County, SD. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Mellette County, SD?
- Tracked electric providers include Cherry-Todd Electric Coop, Inc, Rosebud Electric Coop Inc, West Central Electric Coop Inc - (SD).
Outages are tracked at the county level; these ZIP codes fall within Mellette County.
57521, 57560, 57579, 57585
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Rosebud Electric Coop Inc | 2.3 hrs | Live · total only | - |
| LaCreek Electric Assn, Inc | - | Live · total only | - |
| West Central Electric Coop Inc - (SD) | - | Live · total only | - |
| Cherry-Todd Electric Coop, Inc | - | Live · total only | - |
Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of South Dakota customers). Machine-readable data: /api/v1/counties/46095 and /api/v1/counties/46095/history.